Here, we have \[X\text{ }=\text{ }0,\text{ }1,\text{ }2,\text{ }3\] [Since, die is thrown \[3\] times]
And \[p\text{ }=\text{ }1/6,\text{ }q\text{ }=\text{ }5/6\]
Therefore, the required expression is \[1/2\].
Here, we have \[X\text{ }=\text{ }0,\text{ }1,\text{ }2,\text{ }3\] [Since, die is thrown \[3\] times]
And \[p\text{ }=\text{ }1/6,\text{ }q\text{ }=\text{ }5/6\]
Therefore, the required expression is \[1/2\].